Subtract 15/30 from 30/14
1st number: 2 2/14, 2nd number: 15/30
30/14 - 15/30 is 23/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
30/14 = 30 × 15/14 × 15 = 450/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
15/30 = 15 × 7/30 × 7 = 105/210 - Subtract the two like fractions:
450/210 - 105/210 = 450 - 105/210 = 345/210 - After reducing the fraction, the answer is 23/14
- In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/14-15/30 30/28-15/30 30/14-15/60 90/14-15/30 30/14-45/30 30/42-15/30 30/14-15/90 30/14-75/30 30/70-15/30 30/98-15/30